Patents by Inventor Naoyuki Kikutake

Naoyuki Kikutake has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for producing a high-purity titanium
    Patent number: 5336378
    Abstract: A sputtering target for forming a thin film consisting of high-purity titanium, in which the content of alkali metal is 0.1 ppm or less, the content of radio active elements is 1 ppb or less, and the oxygen content is 100 ppm or less, and, further, the balance of the elements is Ti, is produced by a fused salt electrolysis, in which the members of the electrolytic cell being in contact with the fused salt consist of Ni.
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: August 9, 1994
    Assignee: Japan Energy Corporation
    Inventors: Eiji Nishimura, Masami Kuroki, Naoyuki Kikutake, Yuuichiro Shindou